It's interesting to see a trend towards factions with an armored approach.
Well, I want to say some things about my PsiCorps. I only train against the AI when I got plenty of time but really love the approach of this faction.
Marauders with some repairstingers are just awesome while a group of Gehennas shreds aircraft to small pieces.
Especially Duneriders blend in very well with the faction. It's a cost effective anti infantry unit, soft counnters vehicles and is useful against buildings as well.
Not to mention stealth detection and the fact that it's amphibious.
Overall a great unit to toy around, especially with cloning vats >: D
Oh and actually useful Magnetrons.
1 nail tanks to the ground and use them as some kind of crowd control
2 move in with Marauders
3 kill the tanks by outranging them
For everything else > Masterminds